90495061600 has 72 divisors (see below), whose sum is σ = 224542847088. Its totient is φ = 35604595200.

The previous prime is 90495061597. The next prime is 90495061627. The reversal of 90495061600 is 616059409.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878404 + ... + 976003.

It is an arithmetic number, because the mean of its divisors is an integer number (3118650654).

Almost surely, 2^90495061600 is an apocalyptic number.

It is an amenable number.

90495061600 is an abundant number, since it is smaller than the sum of its proper divisors (134047785488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90495061600 is a wasteful number, since it uses less digits than its factorization.

90495061600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854488 (or 1854475 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 90495061600 in words is "ninety billion, four hundred ninety-five million, sixty-one thousand, six hundred".